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Exhaust hood for steam turbines-single-flow arrangement

Michal HOZNEDL , Ladislav TAJC , Jaroslav KREJCIK , Lukas BEDNAR , Kamil SEDLAK , Jiri LINHART ,

Frontiers in Energy 2009, Volume 3, Issue 3, Pages 321-329 doi: 10.1007/s11708-009-0039-4

Abstract: The conclusions from the development of double-flow turbines form the basis for the design of the single-flowturbine arrangement.Single-flow design is typically used for lower output turbines.There are still some limitations in applying this arrangement.The optimization of the single-flow diffuser shape is therefore the subject of the study presented below

Keywords： exhaust hood steam turbines single-flow arrangement

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Flow characteristics of single-phase flow in narrow annular channels

ZENG Heyi, SU Guanghui, JIA Dounan

Frontiers in Energy 2008, Volume 2, Issue 4, Pages 466-470 doi: 10.1007/s11708-008-0101-7

Abstract: The characteristics of single-phase flow in narrow annular channels were analyzed and theoretical modelBased on the present model, the theoretical calculation was performed to predict the flow characteristicsfor the developed flow in narrow annuli with the gap sizes of 1.0, 1.5 and 2.0 mm, respectively.In addition, the gap size of narrow annuli has great impact upon the flow characteristics.higher the Reynolds number, the more remarkable the effect of gap size upon friction coefficient during single-phase

Keywords： narrow annuli remarkable mm developed friction

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Simulation of cottonseed cake melt flow in metering zone of a single screw extruder

Hong HE, Jianguo ZHOU,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3, Pages 263-269 doi: 10.1007/s11705-009-0276-4

Abstract: In this study, a quasi-three-dimensional (3D) fluid flow model for non-Newtonian, non-isothermal and

Keywords： quasi-three-dimensional rheological viscosity processing influence

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Two-stage scheduling on batch and single machines with limited waiting time constraint

Zhongshun SHI, Zewen HUANG, Leyuan SHI

Frontiers of Engineering Management 2017, Volume 4, Issue 3, Pages 368-374 doi: 10.15302/J-FEM-2017034

Abstract: This study addresses the problem of two-stage scheduling on batch and single machines with limited waiting

Keywords： batch machine flow shop makespan limited waiting time

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Numerical Simulation of Static Behavior of the Single Anchor Cable

Teng Bin1,Hao Chunling,Han Ling

Strategic Study of CAE 2005, Volume 7, Issue 1, Pages 21-26

Abstract:

The piecewise extrapolating method is applied to study the single anchor cable in this paper.anchor cable and the displacement at the top of anchor cable, the water depth, and the velocity of flow

Keywords： piecewise extrapolating method single anchor cable displacement velocity of flow water depth

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Conserved gene arrangement in the mitochondrial genomes of barklouse families Stenopsocidae and Psocidae

Xiaochen LIU, Hu LI, Yao CAI, Fan SONG, John-James WILSON, Wanzhi CAI

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 3, Pages 358-365 doi: 10.15302/J-FASE-2017158

Abstract: Substantial variation in gene organization and arrangement has been reported for sequenced mitochondrial

Keywords： gene rearrangement mitochondrial genome Psocoptera Stenopsocidae TDRL model

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Task Arrangement of the IPD Process Plan

Lu Jianxia,Cheng Chengsong,Lan Xiuju,Chen Yong,Xie Liewei

Strategic Study of CAE 2004, Volume 6, Issue 5, Pages 56-60

Abstract:

This paper is related to task arrangement of the IPD process plan.The task arrangement modeling and related Hungary algorithms is given with conception of cost matrix,

Keywords： IPD task arrangement process plan goal decision

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Alluvial channel hydrodynamics around tandem piers with downward seepage

Rutuja CHAVAN, Wenxin HUAI, Bimlesh KUMAR

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6, Pages 1445-1461 doi: 10.1007/s11709-020-0648-x

Abstract: In this paper, we report the turbulent flow structures and the scour geometry around two piers with different

Keywords： scour seepage Strouhal number tandem arrangement turbulent characteristics

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Principles and applications of high-speed single-pixelimaging technology Review

Qiang GUO, Yu-xi WANG, Hong-wei CHEN, Ming-hua CHEN, Si-gang YANG, Shi-zhong XIE

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 9, Pages 1261-1267 doi: 10.1631/FITEE.1601719

Abstract: Single-pixel imaging (SPI) technology has garnered great interestwithin the last decade because of itsability to record high-resolutionimages using a single-pixel detector.Comparedwith conventional silicon-based cameras, single-pixel cameras (SPCs)can achieve image compressionPTS technique.Then the basic architecture of the high-speed SPI system is presented,and an imaging flow

Keywords： Compressive sampling Single-pixel imaging Photonic time stretch Imaging flow cytometry

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Crystallographic orientation effect on cutting-based single atomic layer removal

Wenkun XIE, Fengzhou FANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4, Pages 631-644 doi: 10.1007/s11465-020-0599-x

Abstract: The mechanism of a single atomic layer removal in cutting is the key basic theoretical foundation forIn the present study, the crystallographic orientation effect on the cutting-based single atomic layerWhen undeformed chip thickness is in the atomic scale, two kinds of single atomic layer removal mechanismsexist in cutting-based single atomic layer removal, namely, dislocation motion and extrusion, due to

Keywords： ACSM single atomic layer removal mechanism crystallographic orientation effect mechanical cutting Manufacturing

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Design and analysis of partially decoupled translational parallel mechanisms with single-loop structures

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0695-1

Abstract: This study presents a family of novel translational parallel mechanisms (TPMs) with single-loop topological

Keywords： translational parallel mechanism single loop multiple driving system workspace analysis singularity

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Moving policy and regulation forward for single-use plastic alternatives

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-021-1423-5

Abstract: Single-use plastics are often used once or cannot be reused for extended periods.The waste generated by single-use plastics threatens ecosystem health by entering the environment andThe innovation of sustainable and environmentally friendly single-use plastic alternative materials andenterprises and the public are promising technologies and management approaches that can solve the problem of single-useThe development of single-use plastic alternative products can be promoted fundamentally only by improving

Keywords： Single-use plastic alternatives Policy Regulation Sustainable development

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Numerical study of internal flow field and flow passage improvement of an inlet particle separator

Florian PAOLI, Tong WANG

Frontiers in Energy 2011, Volume 5, Issue 4, Pages 386-397 doi: 10.1007/s11708-011-0156-8

Abstract: By performing gas flow field numerical simulations for several inlet Reynolds numbers (from 2 × 10to 9 × 10 ) and byflow ratios (from 10% to 20%), the present study has proposed to improve the flowNo particle has been included in the gas flow for a -epsilon turbulence model.Then the flow passage improvement method has focused on the separation area.in this study has succeeded in designing a shape which enhances the flow behavior.

Keywords： streamlines pressure losses flow passage improvement inlet particle separator (IPS)

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Damage propagation and strength prediction of a single-lap interference-fit laminate structure

Peng ZOU, Xiangming CHEN, Hao CHEN, Guanhua XU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4, Pages 558-570 doi: 10.1007/s11465-020-0591-5

Abstract: Experimental and finite element research was conducted on the bolted interference fit of a single-lapA typical single-lap statically loading experiment was performed, and a finite element damage prediction

Keywords： single-lap interference fit secondary bending moment damage mechanism bearing strength

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Novel casting processes for single-crystal turbine blades of superalloys

Dexin MA

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1, Pages 3-16 doi: 10.1007/s11465-018-0475-0

Abstract:

This paper presents a brief review of the current casting techniques for single-crystal (SC) bladestechnique, a novel concept for the three-dimensional and precise control of SC growth, a proper thermal arrangement

Keywords： superalloy investment casting Bridgman process directional solidification single crystal turbine blade